{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61338",
    "entityType": "User",
    "nonce": "0x7c664fa16962fb1f47ac6cc9976468c4bab55d60802971ff187d2eb35a79f4b4",
    "signature": "0xe9570374abb9647718c8d3de848800d24b92e3ea8dce1bc5137385f2d167593a67a867ae8870b147eb65abf2363003db28de700d3270d169641dd1df32678d351c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}